"So, did a bit of reading on this (I'm travelling, don't judge) and Vetting.com, the company they cite, does not provide vetting services, it sells a licence to use its platform to perform your own vetting. This may be why they didn't vet the candidates..."
x.com/tpgroberts/status/1803047881990983858?s=46&t=Uw4lJNwxFZFnX0Xs3doHYg
Either Reform were too stupid to know what they bought.
Or they thought nobody would check.
Neither particularly convincing for a company that wants to run the UK.